Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

NA

43°F

6°C

Humidity 100%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 20 Jan 07:29 AM PST
Extended Forecast for

15 Miles NW Williams CA

Dense Fog Advisory January 20, 07:46am until January 20, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 20, 07:46am until January 20, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Today

    High: 60 °F

    Haze then
    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Widespread haze before 10am. Increasing clouds, with a high near 60. North wind 3 to 6 mph.
Tonight
Cloudy, with a low around 47. Calm wind.
Wednesday
Cloudy, with a high near 57. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 48. Calm wind.
Thursday
Mostly sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW Williams CA
 39.3°N 122.35°W (Elev. 358 ft)
2:26 am PST Jan 20, 2026
7am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database